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6AL5

Sensibly equivalent to:
6058 6D2 CV140 CV283 D152 D77 DD6 EAA91 EB91
See also:
Valves and their Habits - RCA 6AL5 Box
    
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The 6AL5 is a double signal diode. These double diodes were designed for sound and vision detection in 405 line television receivers. Additionally they are recommended for limiting and DC restoration, again part of a TV receiver functionality.
This exhibit was made by RCA at their Brazil subsidiary.
The bright anode is stitched together.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 40 mm tall.
References: Data-sheet & 1040. Type 6AL5 was first introduced in 1945. See also 1945 adverts.

 

Pin Connections
B7G
1
2
3
4
5
6
7
k(1)
a(2)
h
h
k(2)
s
a(1)

 

Absolute Maximum Operating Conditions
Diode
Vh
Ah
Va
mAa
6.3
0.3
150
9
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 24, 2018.
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